$160+ Cheap flights from Medford to Ontario (MFR - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
MFR — ONT
May 17 — May 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Medford to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Medford to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Medford to OntarioExplore the most affordable flight options available from Medford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Medford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:16 pm
MFR
- ONT
1 stop10h 48m
Multiple Airlines
Thu 5/2811:51 am
ONT
- MFR
1 stop26h 58m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:12 pm
MFR
- ONT
1 stop10h 37m
Multiple Airlines
Thu 5/2811:51 am
ONT
- MFR
1 stop26h 58m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:16 pm
MFR
- ONT
1 stop10h 48m
Multiple Airlines
Thu 5/2811:51 am
ONT
- MFR
1 stop8h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$282
This Trip.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:36 pm
MFR
- ONT
1 stop4h 56m
Alaska Airlines
Mon 5/117:00 am
ONT
- MFR
1 stop5h 01m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:32 pm
MFR
- ONT
1 stop4h 41m
Alaska Airlines
Tue 11/107:30 am
ONT
- MFR
1 stop4h 17m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:41 pm
MFR
- ONT
1 stop6h 17m
Alaska Airlines
Sat 6/611:15 am
ONT
- MFR
1 stop4h 25m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:15 am
MFR
- ONT
1 stop4h 57m
Delta
Fri 5/295:50 pm
ONT
- MFR
1 stop6h 05m
Delta
Deal found 4/12![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:05 am
MFR
- ONT
1 stop5h 11m
Delta
Sun 10/255:05 pm
ONT
- MFR
1 stop6h 44m
Delta
Deal found 4/15![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:10 pm
MFR
- ONT
1 stop5h 09m
Alaska Airlines
Sun 9/207:10 am
ONT
- MFR
1 stop4h 50m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:25 pm
MFR
- ONT
1 stop17h 47m
Delta
Wed 5/275:50 pm
ONT
- MFR
1 stop6h 05m
Delta
Deal found 4/13![Delta logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:16 pm
MFR
- ONT
1 stop10h 48m
Multiple Airlines
Sun 5/2411:51 am
ONT
- MFR
1 stop8h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:15 am
MFR
- ONT
1 stop16h 19m
Delta
Wed 5/276:45 am
ONT
- MFR
1 stop6h 15m
Delta
Deal found 4/13![Delta logo]()
$341
Best flights from Medford to OntarioDiscover carefully curated flight deals from Medford to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Medford to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:10 pm
MFR
- ONT
1 stop5h 09m
Alaska Airlines
Tue 9/226:00 am
ONT
- MFR
1 stop7h 02m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 am
MFR
- ONT
1 stop6h 44m
Delta
Thu 8/205:05 pm
ONT
- MFR
1 stop6h 36m
Delta
Deal found 4/11![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:36 pm
MFR
- ONT
1 stop4h 23m
United Airlines
Sun 5/176:00 am
ONT
- MFR
1 stop5h 47m
United Airlines
Deal found 4/15![United Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:15 am
MFR
- ONT
1 stop4h 41m
Alaska Airlines
Tue 8/257:10 am
ONT
- MFR
1 stop4h 50m
Alaska Airlines
Deal found 4/11![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am
MFR
- ONT
1 stop6h 44m
Delta
Sun 8/235:05 pm
ONT
- MFR
1 stop6h 36m
Delta
Deal found 4/11![Delta logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:41 pm
MFR
- ONT
1 stop6h 17m
Alaska Airlines
Sat 6/611:15 am
ONT
- MFR
1 stop4h 25m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:35 pm
MFR
- ONT
1 stop4h 02m
United Airlines
Thu 7/26:00 am
ONT
- MFR
1 stop6h 04m
United Airlines
Deal found 4/12![United Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:15 am
MFR
- ONT
1 stop4h 57m
Delta
Mon 5/255:50 pm
ONT
- MFR
1 stop6h 05m
Delta
Deal found 4/12![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:36 pm
MFR
- ONT
1 stop4h 56m
Alaska Airlines
Thu 5/144:03 pm
ONT
- MFR
1 stop7h 56m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:41 pm
MFR
- ONT
1 stop6h 17m
Alaska Airlines
Tue 5/1911:15 am
ONT
- MFR
1 stop7h 24m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:10 am
MFR
- ONT
1 stop4h 58m
Alaska Airlines
Tue 5/1210:39 am
ONT
- MFR
1 stop6h 20m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$388
Last-minute flights from Medford to OntarioDiscover last-minute flight deals from Medford to Ontario. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Medford to Ontario. Data last updated April 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:25 pm
MFR
- ONT
1 stop5h 09m
Delta
Mon 5/114:57 pm
ONT
- MFR
1 stop6h 45m
Delta
Deal found 4/15![Delta logo]()
$330
This Trip.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:36 pm
MFR
- ONT
1 stop4h 56m
Alaska Airlines
Mon 5/117:00 am
ONT
- MFR
1 stop5h 01m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:12 pm
MFR
- ONT
1 stop10h 37m
Multiple Airlines
Thu 5/2811:51 am
ONT
- MFR
1 stop26h 58m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:15 am
MFR
- ONT
1 stop16h 19m
Delta
Sat 5/235:55 pm
ONT
- MFR
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:15 am
MFR
- ONT
1 stop4h 57m
Delta
Sat 5/235:55 pm
ONT
- MFR
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:25 pm
MFR
- ONT
1 stop5h 09m
Delta
Sun 5/2411:52 am
ONT
- MFR
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:16 am
MFR
- ONT
1 stop5h 05m
Alaska Airlines
Wed 5/274:03 pm
ONT
- MFR
1 stop7h 56m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:16 pm
MFR
- ONT
1 stop10h 48m
Multiple Airlines
Thu 5/2811:51 am
ONT
- MFR
1 stop8h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:16 pm
MFR
- ONT
1 stop10h 48m
Multiple Airlines
Thu 5/2811:51 am
ONT
- MFR
1 stop26h 58m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:25 pm
MFR
- ONT
1 stop17h 47m
Delta
Sat 5/235:55 pm
ONT
- MFR
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:16 pm
MFR
- ONT
1 stop10h 48m
Multiple Airlines
Sun 5/2411:51 am
ONT
- MFR
1 stop8h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:15 am
MFR
- ONT
1 stop4h 57m
Delta
Fri 5/295:50 pm
ONT
- MFR
1 stop6h 05m
Delta
Deal found 4/12![Delta logo]()
$323
One-way flights from Medford to OntarioSearch for one-way flight options from Medford to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Medford to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:07 pm
MFR
- ONT
1 stop3h 45m
United Airlines
Deal found 4/14![United Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:15 am
MFR
- ONT
1 stop4h 57m
Delta
Deal found 4/13![Delta logo]()
$162
This CheapOair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:50 pm
MFR
- ONT
1 stop15h 24m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:05 am
MFR
- ONT
1 stop4h 46m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:41 pm
MFR
- ONT
1 stop6h 17m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:00 am
MFR
- ONT
1 stop6h 12m
United Airlines
Deal found 4/12![United Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
MFR
- ONT
1 stop6h 12m
United Airlines
Deal found 4/16![United Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:01 am
MFR
- ONT
1 stop5h 16m
Delta
Deal found 4/12![Delta logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:36 pm
MFR
- ONT
1 stop6h 23m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$229
This Alaska Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:10 am
MFR
- ONT
2 stops6h 58m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$235
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:10 am
MFR
- ONT
2 stops9h 22m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:15 am
MFR
- ONT
1 stop4h 41m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$238
Find flight deals from Medford to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Medford (MFR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Kiwi.com) |
One-way from | $160 (United Airlines) |
Popular in | April |
Cheapest in | February |
Average price | $452 |
Cheapflights Fare Finder
Customize your flight search to find flights from Medford to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Medford to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MedfordOntario
MFR - ONT
MFRONT
Medford
Tue 9/8
3:10 pm-8:19 pm
1 stop5h 09m
Ontario
Tue 9/22
6:00 am-1:02 pm
1 stop7h 02m
$319
MedfordOntario
MFR - ONT
MFRONT
Medford
Tue 8/18
6:05 am-12:49 pm
1 stop6h 44m
Ontario
Thu 8/20
5:05 pm-11:41 pm
1 stop6h 36m
$321
Quickest round-trip
MedfordOntario
MFR - ONT
MFRONT
Medford
Mon 8/17
5:15 am-9:56 am
1 stop4h 41m
Ontario
Tue 8/25
7:10 am-12:00 pm
1 stop4h 50m
$321
MedfordOntario
MFR - ONT
MFRONT
Medford
Thu 6/4
5:41 pm-11:58 pm
1 stop6h 17m
Ontario
Sat 6/6
11:15 am-3:40 pm
1 stop4h 25m
$321
MedfordOntario
MFR - ONT
MFRONT
Medford
Thu 5/14
6:36 pm-10:59 pm
1 stop4h 23m
Ontario
Sun 5/17
6:00 am-11:47 am
1 stop5h 47m
$330
MedfordOntario
MFR - ONT
MFRONT
Medford
Thu 8/20
6:05 am-12:49 pm
1 stop6h 44m
Ontario
Sun 8/23
5:05 pm-11:41 pm
1 stop6h 36m
$330
MedfordOntario
MFR - ONT
MFRONT
Medford
Sat 5/9
5:36 pm-10:32 pm
1 stop4h 56m
Ontario
Thu 5/14
4:03 pm-11:59 pm
1 stop7h 56m
$352
MedfordOntario
MFR - ONT
MFRONT
Medford
Mon 5/25
6:15 am-11:12 am
1 stop4h 57m
Ontario
Mon 5/25
5:50 pm-11:55 pm
1 stop6h 05m
$354
MedfordOntario
MFR - ONT
MFRONT
Medford
Thu 5/14
5:41 pm-11:58 pm
1 stop6h 17m
Ontario
Tue 5/19
11:15 am-6:39 pm
1 stop7h 24m
$361
MedfordOntario
MFR - ONT
MFRONT
Medford
Tue 6/23
6:35 pm-10:37 pm
1 stop4h 02m
Ontario
Thu 7/2
6:00 am-12:04 pm
1 stop6h 04m
$376
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Medford to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Medford to Ontario in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Medford-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Medford-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Medford-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Medford-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Medford-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Medford to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Medford with our price prediction graph.
MFR-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Medford to Ontario
Prices
More
What is the cheapest month to book a flight from Medford to Ontario?
Currently, February is the cheapest month in which you can book a flight from Medford to Ontario (average of $167). Flying from Medford to Ontario in April is currently the most expensive (average of $452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Medford to Ontario?
What’s the top layover airport for flights from Medford to Ontario?
Share of 1-stop round-trip flights from Medford to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Medford to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Medford to Ontario?
Average round-trip fare for 1-stop flights from Medford to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $287.
What’s the fastest layover option from Medford to Ontario?
Shortest average travel time for 1-stop one-way flights from Medford to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 3h 43m.
Which airport typically offers the quickest layover for flights from Medford to Ontario?
Average layover duration for 1-stop one-way flights from Medford to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 0h 45m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated April 17, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Medford to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Medford to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Medford
Popular flights
Alternative routes for Medford to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Medford to Ontario by cabin class
Find flights from Medford to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Medford and Ontario flights
Browse other Medford and Ontario flight options. Last updated on April 17, 2026.
Other flights from Medford
Browse through other flights departing from Medford. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Medford to Ontario
Discover the top 3 airlines that operate flights from Medford to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$121 | Average$290 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$220 | Average$340 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$392 | FlexibilityNo cancel fee | On-time69% |